12303103313173 has 2 divisors, whose sum is σ = 12303103313174. Its totient is φ = 12303103313172.

The previous prime is 12303103313167. The next prime is 12303103313177. The reversal of 12303103313173 is 37131330130321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9617677132644 + 2685426180529 = 3101238^2 + 1638727^2 .

It is a cyclic number.

It is not a de Polignac number, because 12303103313173 - 2³⁷ = 12165664359701 is a prime.

It is a super-2 number, since 2×12303103313173² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12303103313177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6151551656586 + 6151551656587.

It is an arithmetic number, because the mean of its divisors is an integer number (6151551656587).

Almost surely, 2^{12303103313173} is an apocalyptic number.

It is an amenable number.

12303103313173 is a deficient number, since it is larger than the sum of its proper divisors (1).

12303103313173 is an equidigital number, since it uses as much as digits as its factorization.

12303103313173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10206, while the sum is 31.

Adding to 12303103313173 its reverse (37131330130321), we get a palindrome (49434433443494).

The spelling of 12303103313173 in words is "twelve trillion, three hundred three billion, one hundred three million, three hundred thirteen thousand, one hundred seventy-three".